MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The primary malicious URL identified is https://ttraff.ru/pify?keyword=annotated+bibliography+guidelines+pdf, which is presented to the user as a document title. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=annotated+bibliography+guidelines+pdf
- http://files.williamtmohn.com/uploads/1/3/1/4/131437770/2004458.pdf
- http://files.mrsmarcelleschoolofdance.net/uploads/1/3/1/0/131070336/6750567.pdf
- http://files.veenalifestyle.com.au/uploads/1/3/0/7/130739101/xekububumezogefi.pdf
- http://files.mayidesign.co.uk/uploads/1/3/0/7/130740316/6655c292.pdf
- https://cdn.shopify.com/s/files/1/0430/5181/0969/files/raxazavik.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedifoniwupub.pdf
- https://cdn.shopify.com/s/files/1/0427/8393/2582/files/zejowubupiwix.pdf
- https://cdn.shopify.com/s/files/1/0436/9947/0486/files/nojorev.pdf
- https://cdn.shopify.com/s/files/1/0429/7264/3491/files/84420927275.pdf
- https://cdn.shopify.com/s/files/1/0431/7220/0605/files/xugivisawixobizu.pdf
- https://cdn.shopify.com/s/files/1/0431/2160/6817/files/90884913884.pdf
- https://cdn.shopify.com/s/files/1/0436/3255/8240/files/nezenipaginewofumifeperun.pdf
- https://cdn.shopify.com/s/files/1/0432/4130/8320/files/74008871100.pdf
- https://cdn.shopify.com/s/files/1/0431/3468/1250/files/18788617779.pdf
- https://cdn.shopify.com/s/files/1/0432/2705/4237/files/mibinipemojekopibok.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006845.bin4ca761fe4398c9fb1075609d701df360be532690bcba5f5fd45c5b26f68f63f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6845 | 5532 bytes |
font_01_sfnt_off00007b12.bin2890c185de42133b4aa480dc49b589e40df2428e8f577999cadcc6c1aa064076 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B12 | 9992 bytes |
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